问题 单项选择题 案例分析题

男性,40岁,某印刷厂工人,因持续性腹绞痛,阵发性加剧而入院。患者自诉近五年来经常有腹绞痛发作,部位多在脐周,发作时尚能坚持工作。但近一年来,腹痛发作频繁,发作时大汗淋漓,面色苍白,在地上打滚,并伴有头痛、头昏、乏力、关节酸痛。体查:一般情况尚可,体温正常,面色苍白,牙龈有色素沉着,眼底动脉痉挛,腹部平软,肝脾未扪及,肠鸣音正常,诊断为慢性铅中毒。

对职业性铅中毒的预防措施最有效的是()。

A.上岗前健康检查

B.消除和控制生产环境中铅的浓度

C.合理使用防毒用具

D.加强健康教育

E.加强健康监护

答案

参考答案:B

阅读理解

阅读理解。

     The sign on the bridge says, "Danger! Low bridge." But the driver of the van (货车) did not see the sign.

So he drove the van under the bridge. There was a terrible noise, and the van suddenly stopped.

     The driver tried to go back, but he could not move the van. Some men tried to help him. They pushed and

pushed, but they could not move the van back.

     The driver telephoned a garage. And a few minutes later, a truck arrived from the garage. The man from

the truck tied the van to the truck. Then he tried to pull the van out. The truck pulled and the men pushed, but

the van did not move.

     The men were tired and stopped pushing. Other people were angry because they could not move their cars.

Nobody knew what to do. Then a little girl pulled the truck driver's arm and said something.

     The truck driver did not listen, but the girl pulled his arm again. This time the truck driver listened, and the

little girl said something in his ear. The truck driver smiled. And two minutes later, the van was out. What did

the little girl say?

                                                      

1. The van driver _____ before the van hit the bridge.

A. drove on the bridge

B. didn't see the sign

C. made a terrible noise

D. phoned the garage

2. The truck and the men _____ the van.

A. pushed

B. could not move

C. tried to drive

D. pulled 

3. People in cars _____ at that time.

A. were tired

B. thought of a new idea

C. were angry

D. stopped pushing

4. The little girl's idea must be _____.

A. helpful

B. not good

C. very funny

D. not useful

5. Which of the following is TRUE according to the passage?

A. The truck driver had a good idea

B. The van wasn't out at last

C. Children's ideas are always good

D. It's important to find a good way to get out of trouble

单项选择题